本题目来源于试卷: .Resistor.，类别为 美国物理杯赛(Physics Bowl)
[单选题]
99.40: Three different r-3wi xgbbc:l/7 ,uj txex60:fowbo9-u v69s3ko w 2rjd6apoea sistors R1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. Whbok96u39wspfao0j e w xvd6r6-a 2:oo at is the current in R3?
A. 0.33A
B. 0.5A
C. 2A
D. 3A
E. 12A
参考答案: D
本题详细解析:
暂无
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